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Table 2 Staining protocol for autostainer link 48

From: Chromogen-based double immunohistochemical detection of mitochondrial respiratory chain deficiencies in human brain tissue

Step

Category

Reagent

Incubation time (min)

1

Rinse

TBS Automation wash buffer

0 min

2

Endogenous enzyme block

Peroxidazed 1

5 min

3

Rinse

DI water

0 min

4

Rinse

TBS Automation wash buffer

5 min

5

Primary antibody

Primary antibody placeholder

30 min

6

Rinse

DI water

0 min

7

Rinse

TBS Automation wash buffer

5 min

8

Secondary reagent*

Mouse Linker

15 min

9

Rinse*

DI water

0 min

10

Rinse*

TBS Automation wash buffer

5 min

11

Labelled polymer

HRP polymer

30 min

12

Rinse

DI water

0 min

13

Rinse

TBS Automation wash buffer

5 min

14

Substrate-chromogen

DAB Biocare

8 min

15

Rinse

DI water

0 min

16

Rinse

TBS Automation wash buffer

5 min

17

Enzyme block

Sulfuric acid

5 min

18

Rinse

TBS Automation wash buffer

0 min

19

Rinse

Water

5 min

20

Rinse

TBS Automation wash buffer

5 min

21

Endogenous enzyme block

Peroxidazed 1

5 min

22

Rinse

DI water

0 min

23

Rinse

TBS Automation wash buffer

5 min

24

Primary antibody

VDAC1 antibody

30 min

25

Rinse

DI water

0 min

26

Rinse

TBS Automation wash buffer

5 min

27

Secondary reagent

Mouse Linker

15 min

28

Rinse

DI water

0 min

29

Rinse

TBS Automation wash buffer

5 min

30

Labelled polymer

HRP polymer

30 min

31

Rinse

DI water

0 min

32

Rinse

TBS Automation wash buffer

5 min

33

Substrate-chromogen

HRP-Magenta

5 min

34

Rinse

DI water

0 min

35

Rinse

TBS Automation wash buffer

5 min

36

Counterstain

Tacha’s Haematoxylin

3 min

37

Rinse

DI water

0 min

38

Rinse

DI water

5 min

39

Rinse

TBS Automation wash buffer

0 min

  1. * Steps included for SDHA and MTCOI antibodies